A1579 - 4 Hole 90" Fitting (1-1/4" Series)

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Standard Dimensions:

  • Hole Diameter: 13/32" (10mm)
  • Hole Spacing (From End): 5/8" (16mm)
  • Hole Spacing (On Center): 1-1/2" (38mm)
  • Width: 1-1/4" (32mm)
  • Thickness: 3/16" (5mm)

Material:

  • Unistrut channels are accurately and carefully cold formed to size from low-carbon strip steel.
  • Steel: Plain
    14 Gauge (1.9 mm), ASTM A1011 SS GR 33
    19 Gauge (1.0 mm) ASTM A1008
  • Steel: Pre-Galvanized
    14 Gauge (1.9 mm), ASTM A653 GR 33
    19 Gauge (1.0 mm) ASTM A653 GR 33
  • Channel nuts are manufactured from mild steel bars conforming to ASTM A576, GR 1015, and are case hardened.
  • Fittings are made from hot rolled, pickled and oiled steel plate or strip and conform to ASTM A1011 SS GR 33.
  • Many framing channels are available in special metal on request. Consult factory for ordering information.

Standard Lengths:

  • Standard lengths are 10 feet (3.05M) and 20 feet (6.10M). Tolerances are: ±1/8" (3.2 mm) to ±1/2" (12.7 mm) to allow for cutting. Special lengths are available for a small cutting charge with a tolerance of ±1/8" (3.2mm).

Application:

  • A framing system designed for medium loads, the 1-1/4" series is especially suitable for use in the OEM, commercial and display markets. It maintains a lightness in scale and a clean line that makes it aesthetically pleasing as well as functional.

Threads:

  • All threads on the nuts and bolts are Unified and American coarse screw threads.

Design Bolt Torque:

Chart---Bolt-Torque_1_1-4.gif

Load Data:

  • All beam and column load data pertains to carbon steel and stainless steel channels. Load tables and charts are constructed to be in accordance with the SPECIFICATION FOR THE DESIGN OF COLD-FORMED STEEL STRUCTURAL MEMBERS 2001 EDITION published by the AMERICAN IRON AND STEEL INSTITUTE USING ASD METHOD.
channel_load_data.gif

Dimensions:

  • Imperial dimensions are illustrated in inches. Metric dimensions are shown in parenthesis or as noted. Unless noted, all metric dimensions are in millimeters.

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Unistrut metal framing channel, fasteners and hardware are the materials of choice for OEMs, contractors and plant maintenance personnel. Download the catalog to learn more.

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